Page 170 - BACKUP ENGLISH | PREPARATORY CLASS
        P. 170
     THEME 14 TRAVEL
             Structure
          Present Perfect Tense
                                Usage                                             Example
           We  use  the  Present  Perfect  to talk  about  something  that
           happened in the past, but we do not say exactly when  I have seen that man before, but I can’t remember where.
           it happened. The exact time it happened is unknown or  My sister has moved into a new apartment.
           unimportant.
           We use  the  Present Perfect to talk about activities that
                                                              I have been abroad many times.
           happened several times before now. The exact time of each
                                                              My students have had five tests this semester so far.
           repetition is not important.
                       Affirmative                       Negative                       Interrogative
                                                I / You / We / They haven’t met him  Which countries have I / you / we / they visited
           I / You / We / They have attended many parties.
                                                before.                      so far?
           She / He / It has been to Tokyo.
                                                She / He / It hasn’t eaten this before.  Has she / he / it done this before?
          been or gone
                                Usage                                             Example
             We use been to indicate someone has visited or travelled to    She has been to Italy = She went to Italy, but now she is
           ◽                                                  ◽
             a place and has returned.                           back home.
             We use gone to indicate that someone has left for a place    She has gone to Italy = She is not here now, she is still
           ◽                                                  ◽
             and has not yet returned.                           there.
          already, just, yet, and ever
                                 Usage                                             Example
             already: earlier than expected                      It’s only 8 p.m., and Luke has already gone to bed.
           ◽                                                  ◽
             just: a very short time ago                         A: Are you hungry?
           ◽                                                  ◽
                                                                 B: No, I have just eaten a sandwich.
                                                              ◽
             yet: before now - in negative and question sentences   A: Are Chloe and Mike here?
           ◽                                                  ◽
                                                                 B: No, they haven’t arrived yet.
                                                              ◽
             ever: at any time                                   A: Have you ever played badminton?
           ◽                                                  ◽
                                                                 B: No, I haven’t.
                                                              ◽
     168    English for Preparatory Class
     	
